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1 | // Created on: 2012-02-02 |
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2 | // Created by: Anton POLETAEV |
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3 | // Copyright (c) 2012-2014 OPEN CASCADE SAS |
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4 | // |
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5 | // This file is part of Open CASCADE Technology software library. |
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6 | // |
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7 | // This library is free software; you can redistribute it and/or modify it under |
8 | // the terms of the GNU Lesser General Public License version 2.1 as published |
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9 | // by the Free Software Foundation, with special exception defined in the file |
10 | // OCCT_LGPL_EXCEPTION.txt. Consult the file LICENSE_LGPL_21.txt included in OCCT |
11 | // distribution for complete text of the license and disclaimer of any warranty. |
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12 | // |
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13 | // Alternatively, this file may be used under the terms of Open CASCADE |
14 | // commercial license or contractual agreement. |
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15 | |
16 | #ifndef _OpenGl_LayerList_Header |
17 | #define _OpenGl_LayerList_Header |
18 | |
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19 | #include <OpenGl_Layer.hxx> |
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20 | #include <OpenGl_LayerFilter.hxx> |
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21 | |
22 | #include <InterfaceGraphic_telem.hxx> |
23 | |
24 | #include <NCollection_Sequence.hxx> |
25 | #include <NCollection_DataMap.hxx> |
26 | |
27 | class OpenGl_Structure; |
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28 | |
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29 | typedef NCollection_Sequence<OpenGl_Layer> OpenGl_SequenceOfLayers; |
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30 | typedef NCollection_DataMap<int, int> OpenGl_LayerSeqIds; |
31 | |
32 | class OpenGl_LayerList |
33 | { |
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34 | public: |
35 | |
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36 | //! Constructor |
37 | OpenGl_LayerList (const Standard_Integer theNbPriorities = 11); |
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38 | |
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39 | //! Destructor |
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40 | virtual ~OpenGl_LayerList(); |
41 | |
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42 | //! Method returns the number of available priorities |
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43 | Standard_Integer NbPriorities() const { return myNbPriorities; } |
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44 | |
45 | //! Number of displayed structures |
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46 | Standard_Integer NbStructures() const { return myNbStructures; } |
47 | |
48 | //! Return number of structures within immediate layers |
49 | Standard_Integer NbImmediateStructures() const { return myImmediateNbStructures; } |
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50 | |
51 | //! Insert a new layer with id. |
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52 | void AddLayer (const Graphic3d_ZLayerId theLayerId); |
53 | |
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54 | //! Remove layer by its id. |
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55 | void RemoveLayer (const Graphic3d_ZLayerId theLayerId); |
56 | |
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57 | //! Add structure to list with given priority. The structure will be inserted |
58 | //! to specified layer. If the layer isn't found, the structure will be put |
59 | //! to default bottom-level layer. |
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60 | void AddStructure (const OpenGl_Structure* theStruct, |
61 | const Graphic3d_ZLayerId theLayerId, |
62 | const Standard_Integer thePriority, |
63 | Standard_Boolean isForChangePriority = Standard_False); |
64 | |
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65 | //! Remove structure from structure list and return its previous priority |
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66 | void RemoveStructure (const OpenGl_Structure* theStructure); |
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67 | |
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68 | //! Change structure z layer |
69 | //! If the new layer is not presented, the structure will be displayed |
70 | //! in default z layer |
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71 | void ChangeLayer (const OpenGl_Structure* theStructure, |
72 | const Graphic3d_ZLayerId theOldLayerId, |
73 | const Graphic3d_ZLayerId theNewLayerId); |
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74 | |
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75 | //! Changes structure priority within its ZLayer |
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76 | void ChangePriority (const OpenGl_Structure* theStructure, |
77 | const Graphic3d_ZLayerId theLayerId, |
78 | const Standard_Integer theNewPriority); |
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79 | |
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80 | //! Returns reference to the layer with given ID. |
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81 | OpenGl_Layer& Layer (const Graphic3d_ZLayerId theLayerId); |
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82 | |
83 | //! Returns reference to the layer with given ID. |
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84 | const OpenGl_Layer& Layer (const Graphic3d_ZLayerId theLayerId) const; |
85 | |
86 | //! Assign new settings to the layer. |
87 | void SetLayerSettings (const Graphic3d_ZLayerId theLayerId, |
88 | const Graphic3d_ZLayerSettings& theSettings); |
89 | |
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90 | //! Render this element |
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91 | void Render (const Handle(OpenGl_Workspace)& theWorkspace, |
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92 | const Standard_Boolean theToDrawImmediate, |
93 | const OpenGl_LayerFilter theLayersToProcess) const; |
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94 | |
95 | //! Returns the set of OpenGL Z-layers. |
96 | const OpenGl_SequenceOfLayers& Layers() const { return myLayers; } |
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97 | |
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98 | //! Marks BVH tree for given priority list as dirty and |
99 | //! marks primitive set for rebuild. |
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100 | void InvalidateBVHData (const Graphic3d_ZLayerId theLayerId); |
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101 | |
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102 | //! Returns structure modification state (for ray-tracing). |
103 | Standard_Size ModificationState() const { return myModificationState; } |
104 | |
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105 | protected: |
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106 | |
107 | // number of structures temporary put to default layer |
108 | OpenGl_SequenceOfLayers myLayers; |
109 | OpenGl_LayerSeqIds myLayerIds; |
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110 | |
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111 | Standard_Integer myNbPriorities; |
112 | Standard_Integer myNbStructures; |
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113 | Standard_Integer myImmediateNbStructures; //!< number of structures within immediate layers |
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114 | |
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115 | mutable Standard_Size myModificationState; |
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116 | |
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117 | public: |
118 | |
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119 | DEFINE_STANDARD_ALLOC |
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120 | |
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121 | }; |
122 | |
123 | #endif //_OpenGl_LayerList_Header |